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Nice Tek 465. I gave mine away two years ago after having it for 25 years. superb.good job on the XY plotting. how about a clock next?
In the dot-matrix printer days, we would rejuvenate a ribbon by removing the cover, spraying with wd40 and leaving it overnight. worked a treat!
How about this one:Removing chewing-gum from kids' hair.(obviously - don't spray it on the scalp) , just on the hair, tease out the chewing-gum, then wash hair to remove WD40.A lot better that cutting it out and the kid looking like dad cut his/her hair! Why the hell do kids do it?
I was horrified at the thought of someone drinking a wd40 substitute but Balistol is apparently Paraffin, Olive-oil, Alcohol and essential oils.I have heard of Paraffin being used as a laxative before.
Well, I'm amazed that nobody has mentioned "BLOWTORCH"Simply hold a lighter flame or match near the jet of WD40 spray.Be careful of your hands/hair/kids/wife/dog or anything else near.Your eyebrows and arm hair will grow back.Do not try this at home kids.The first time I tried it, "WWOOOOOWWW!"Honestly superb.Seriously though, be careful.It gives a flame like lighting a gas-tap in chemistry class at school.(I didn't tell you that....)
Nice write-up!I used a 32GB card (class 10 13UKP) and a PS£ sixaxis controller - it needs no adapter! the PI3 has bluetooth and connects perfectly!
Nice write-up!I used a 32GB card (class 10 13UKP) and a PS3 sixaxis controller - it needs no adapter! the PI3 has bluetooth and connects perfectly!
Nice project.a couple of possible add ons. .multiple leds for illumination - the one led only uses 1.2v so the rest is getting wasted on the resistor. you could safely put 4 or 5 in series, giving much more light and take no more power.also, maybe consider 940nm leds - they give absolutely no visible light output whereas the 850nm ones glow a dull red (visible in the dark)great idea using cheap camera and monitor though!
If you have an engraver and you're putting segments on plexiglass, why not re-create a vintage edge-lit display?These were made by drilling about 100 dots (you could engrave) for each digit in each piece (0-9), Just make sure no two dots overlapYou would need 10 x 4 = 40 pieces instead of 28, but you're mostly there.Like Nixie displays it's nice to see numbers drawn instead of segments.Nice project though,I like it
I did this to my watch too when I was in school.I had the only lcd watch around with white numbers on a black background.lcd watches were just becoming cheap and common. that was about 37 years ago....